CN215337746U

CN215337746U - Water inlet and return flange structure for sectional spiral discharging machine

Info

Publication number: CN215337746U
Application number: CN202121738700.2U
Authority: CN
Inventors: 孙吉才; 孙永波; 吕海洋
Original assignee: Laiwu Iron & Steel Metallurgy Ecological Engineering Technology Co ltd
Current assignee: Laiwu Iron & Steel Metallurgy Ecological Engineering Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-28
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a water inlet and return flange structure for a sectional spiral discharging machine, which comprises a flange body, wherein the flange body comprises a pressure plate, a left shaft section and a right shaft section which are sequentially arranged along the axial direction, the outer diameter of the left shaft section is matched with the inner diameter of a water return outer pipe, and the outer diameter of the right shaft section is matched with the inner diameter of a water return inner pipe; this internal well cavity that is equipped with of flange, set up the first through-hole of intercommunication return water chamber and well cavity on the right shaft section to and the right through-hole of cavity and return water inner tube inner chamber in the intercommunication, this internal left through-hole that keeps away from right through-hole one side that is located the cavity that still is equipped with of flange, form the cushion chamber between the chamber wall of cavity and the outer wall of inlet tube, the second through-hole has been seted up to the periphery of left through-hole. The flange body of the utility model has an integral structure, high strength and high rigidity, not only provides strong support for the whole spiral discharging machine and ensures that high-temperature materials are smoothly scraped and discharged, but also ensures that a channel for forming water inlet and return water is kept smooth and stable, and provides enough cooling capacity for the spiral discharging machine.

Description

Water inlet and return flange structure for sectional spiral discharging machine

Technical Field

The utility model relates to the technical field of rotary hearth furnace equipment, in particular to a water inlet and return flange structure for a sectional spiral discharging machine.

Background

The most remarkable characteristic of the rotary hearth furnace is that the furnace bottom rotates, the charged products are uniformly covered above the furnace bottom and are still relative to the furnace bottom, and the products after high-temperature reaction need to be discharged from the furnace bottom. The equipment is a spiral discharging machine, and high-temperature materials are pushed out along the discharging direction through spiral blades on the outer cylindrical surface of a rotating shaft. The spiral discharging machine works in a high-temperature environment of more than 1000 ℃ for a long time, and the whole machine can be ensured to work stably for a long time only by introducing water for forced cooling. For the spiral discharging machine with the bearing shaft divided into three sections and the same water inlet and return sides, the connecting flange at the water inlet and return side of the middle shaft plays a vital role. The intermediate shaft advances return water side flange at present only plays the supporting role, needs the peripheral hardware pipeline to form return water chamber and cooling water pipeline intercommunication between return water outer tube and the return water inner tube, realizes the circulation of cooling water, and the structure that leads to flange department occupies exterior space great to the pipeline needs to be joined in marriage at the installation scene, has increased the work load when installing.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the water inlet and return flange structure for the sectional spiral discharging machine, the occupied space at the connecting flange is greatly reduced through the structural improvement of the flange, the construction amount of an installation site is reduced, the water inlet and return flow is ensured to be normal, and strong support is provided for the intermediate shaft.

The utility model is realized by the following technical scheme, and provides a water inlet and return flange structure for a sectional spiral discharging machine, which comprises a flange body fixedly connected to the end parts of a water return outer pipe and a water return inner pipe, wherein a water return cavity is formed between the water return outer pipe and the water return inner pipe;

this internal well cavity that is equipped with of flange, set up the first through-hole of intercommunication return water chamber and well cavity on the right shaft section, and the right through-hole of cavity and return water inner tube inner chamber in the intercommunication, this internal left through-hole that keeps away from right through-hole one side that still is equipped with in cavity of flange, the inlet tube passes left through-hole in proper order, well cavity and right through-hole, and between the pore wall of inlet tube and left through-hole, and sealed the setting between the pore wall of inlet tube and right through-hole, form the cushion chamber between the chamber wall of cavity and the outer wall of inlet tube, the second through-hole that link up to the cushion chamber from flange body left end face is seted up to the periphery of left through-hole.

This scheme is when using, passes left through-hole, well cavity and right through-hole with the inlet tube in proper order, and the cooling water gets into the return water inner tube through the inlet tube, and the cooling water through the heat exchange is by the return water chamber backward flow to get into the cushion chamber through first through-hole, flow to the return water pipeline through the second through-hole by the cushion chamber again, thereby realized through the inside return water that advances of flange, need not to set up the pipeline that is used for communicateing into, the wet return in the flange outside, simplified pipeline structure.

Preferably, the second through holes are elongated holes extending along the circumferential direction, and the second through holes are uniformly distributed along the circumferential direction. This optimization scheme has increased the area through setting up the second through-hole into rectangular hole, has guaranteed that cooling water flows smoothly, and each second through-hole has improved the uniformity that the cooling water of each position of cushion chamber flowed along circumference evenly distributed, avoids appearing local torrent.

As optimization, a plurality of bolt holes distributed along the circumferential direction are formed in the pressure plate, and the bolt holes penetrate through the pressure plate along the axial direction. This optimization scheme is convenient for pass through bolt rigid coupling with flange body and bearing frame through setting up the bolt hole, makes the installation more convenient, convenient to detach moreover.

Preferably, the hollow cavity is coaxial with the left through hole and the right through hole. The setting of this optimization scheme, the processing of cavity in the cavity of being convenient for realizes clamping processing in one time, has reduced the processing degree of difficulty of cavity in the cavity.

Preferably, the first through holes are round holes penetrating through the right shaft section along the radial direction, and the first through holes are uniformly distributed along the circumferential direction. This optimization scheme sets up first through-hole into the round hole, and convenient processing through with each first through-hole along circumference evenly distributed, the cooling water of being convenient for has improved cooling water circulation efficiency from the even buffer chamber that flows in of return water chamber.

The utility model has the beneficial effects that: the flange body is overall structure, and intensity is high, the rigidity is big, not only provides to make the high temperature material scrape smoothly after supporting by force for whole spiral ejection of compact machine and discharges and go, makes the passageway that forms into water and return water moreover keep unobstructed and firm, for spiral ejection of compact machine provide sufficient cooling capacity to prolong the life of equipment by a wide margin, improve equipment operation rate and reduction maintenance cost.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a state diagram of the present invention in use;

shown in the figure:

1. the flange body, 2, left through-hole, 3, second through-hole, 4, pressure disk, 5, left shaft section, 6, right shaft section, 7, right through-hole, 8, well cavity, 9, first through-hole, 10, inlet tube, 11, return water outer tube, 12, return water inner tube, 13, cushion chamber.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in figure 1, a advance return water flange structure for sectional type spiral ejection of compact machine, including the rigid coupling in return water outer tube 11 and return water inner tube 12 flange body 1 of tip, form the return water chamber between return water outer tube and the return water inner tube, flange body 1 includes pressure disk 4, left shaft bracket 5 and the right shaft bracket 6 that set gradually along the axial, and pressure disk 4, left shaft bracket 5 and right shaft bracket 6 formula structure as an organic whole, and the external diameter of pressure disk, left shaft bracket and right shaft bracket reduces in proper order, the external diameter of left shaft bracket and the internal diameter adaptation of return water outer tube, the external diameter of right shaft bracket and the internal diameter adaptation of return water inner tube.

The flange is internally provided with a hollow cavity 8, the right shaft section is provided with a plurality of first through holes 9 communicated with the return water cavity and the hollow cavity, and a plurality of right through holes 7 communicated with the hollow cavity and the inner cavity of the return water inner pipe. First through-hole is along radially running through the round hole of right shaft section, and each first through-hole is along circumference evenly distributed, and in order to satisfy the cooling water circulation requirement better, the diameter of the first through-hole of this embodiment is 50mm, and the quantity of first through-hole is six.

The central axis of the right through hole 7 coincides with the central axis of the flange body, and the aperture of the right through hole is matched with the outer diameter of the water inlet pipe 10.

This internal left through-hole 2 that is located well cavity and keeps away from right through-hole one side that still is equipped with of flange, left through-hole from well cavity link up to the left end face of flange body, left through-hole and right through-hole are coaxial, and the aperture of left through-hole is unanimous with the aperture of right through-hole, and inlet tube 10 passes left through-hole 2, well cavity 8 and right through-hole 7 in proper order, and between the pore wall of inlet tube and left through-hole to and the sealed setting between the pore wall of inlet tube and right through-hole.

The hollow cavity is coaxial with the left through hole and the right through hole, the aperture of the left through hole and the aperture of the right through hole are smaller than the inner diameter of the hollow cavity, a buffer cavity 13 is formed between the cavity wall of the hollow cavity and the outer wall of the water inlet pipe after the water inlet pipe passes through the flange body, and a second through hole 3 which penetrates through the left end face of the flange body to the buffer cavity is formed in the periphery of the left through hole. As an optimized scheme, the second through holes of the present embodiment are elongated holes extending along the circumferential direction, and the second through holes are uniformly distributed along the circumferential direction.

The pressure plate is provided with a plurality of bolt holes distributed along the circumferential direction, the bolt holes axially penetrate through the pressure plate, and the bolt holes are conveniently fixedly connected with the bearing seat through bolts.

In practical use, the water inlet pipe 10 connected with the rotary joint penetrates through the left through hole 2 and the right through hole 7 and then is fixedly connected with the flange body 1, cooling water flows into the return water inner pipe 12 fixedly connected with the right shaft section of the flange body 1 from the water inlet pipe 10, enters the annular return water cavity between the return water inner pipe and the return water outer pipe from the other end of the return water inner pipe and returns, and finally flows out through the rotary joint via the first through hole 9, the buffer cavity and the second through hole 3 in sequence to complete cooling of the spiral discharging machine.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a advance return water flange structure for sectional type spiral ejection of compact machine, includes flange body (1) of rigid coupling in return water outer tube (11) and return water inner tube (12) tip, forms return water chamber, its characterized in that between return water outer tube and the return water inner tube: the flange body (1) comprises a pressure plate (4), a left shaft section (5) and a right shaft section (6) which are sequentially arranged along the axial direction, the outer diameters of the pressure plate, the left shaft section and the right shaft section are sequentially reduced, the outer diameter of the left shaft section is matched with the inner diameter of the return water outer pipe, and the outer diameter of the right shaft section is matched with the inner diameter of the return water inner pipe;

this internal well cavity (8) that is equipped with of flange, set up first through-hole (9) of intercommunication return water chamber and well cavity on the right side shaft section, and the right through-hole (7) of cavity and return water inner tube inner chamber in the intercommunication, this internal left through-hole (2) that is located well cavity and keeps away from right through-hole one side that still is equipped with of flange, inlet tube (10) pass left through-hole (2) in proper order, well cavity (8) and right through-hole (7), and between the pore wall of inlet tube and left through-hole, and sealed the setting between the pore wall of inlet tube and right through-hole, form the cushion chamber between the chamber wall of well cavity and the outer wall of inlet tube, second through-hole (3) that link up to the cushion chamber from flange body left end face are seted up to the periphery of left through-hole.

2. The water inlet and return flange structure for the segmented spiral discharging machine according to claim 1, wherein: the second through holes are long holes extending along the circumferential direction, and the second through holes are uniformly distributed along the circumferential direction.

3. The water inlet and return flange structure for the segmented spiral discharging machine according to claim 1, wherein: a plurality of bolt holes distributed along the circumferential direction are formed in the pressure plate, and the bolt holes penetrate through the pressure plate along the axial direction.

4. The water inlet and return flange structure for the segmented spiral discharging machine according to claim 1, wherein: the hollow cavity is coaxial with the left through hole and the right through hole.

5. The water inlet and return flange structure for the segmented spiral discharging machine as claimed in any one of claims 1 to 4, wherein: the first through holes are round holes penetrating through the right shaft section along the radial direction, and the first through holes are evenly distributed along the circumferential direction.